题目内容
20.What are you going to do this Saturday?I ________ yet.( )
| A. | haven't decided | B. | won't decide | C. | am not decided | D. | didn't decide |
分析 这个周六你做什么?
我还没有决定.
解答 答案:A.结合yet可知动作发生在过去,对现在造成一定的影响,故用现在完成时have/has+过去分词,主语I,故have,故答案是A.
点评 现在完成时有两种用法1.过去发生的某一动作对现在造成的影响或结果或到现在为止已经发生或完成的动作.2.表示过去发生的、持续到现在的动作或状态.
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